Home / 23,177.88-31,984.20-13,105.74

Finding the Fourth Proportional to 23,177.88, 31,984.20 and 13,105.74

Calculator

Solution

The fourth proportional to 23,177.88, 31,984.20 and 13,105.74 is: 18,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.88 : 31,984.20 = 13,105.74 : x
  2. Step 2: Convert to fraction form
    23,177.88/31,984.20 = 13,105.74/x
  3. Step 3: Cross multiply
    23,177.88x = 31,984.20 × 13,105.74
  4. Step 4: Simplify right side
    23,177.88x = 419,176,609.31
  5. Step 5: Solve for x
    x = 419,176,609.31/23,177.88
  6. Step 6: Final answer
    x = 18,085.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.